Submission #921479

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
921479	2024-02-04 00:55:34	ksujay2	기지국 (IOI20_stations)	C++17	100 / 100	620 ms	1388 KiB

stations

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#include <bits/stdc++.h>
using namespace std;
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    vector<vector<int>> adj(n);
    for(int i = 0; i < n - 1; i++) {
        adj[u[i]].push_back(v[i]);
        adj[v[i]].push_back(u[i]);
    }
    int t = 0;
    vector<int> label(n);
    function<void(int, int, int)> dfs = [&] (int s, int e, int p) {
        if(!p) label[s] = t++;
        for(int u : adj[s]) {
            if(u != e) {
                dfs(u, s, p ^ 1);
            }
        }
        if(p) label[s] = t++;
    };
    dfs(0, -1, 0);
    return label;
}
int find_next_station(int s, int t, vector<int> c) {
    bool mn = true;
    for(int u : c) {
        if(u < s) {
            mn = false;
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:36:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |             for(int i = 0; i < c.size() - 1; i++) {
      |                            ~~^~~~~~~~~~~~~~
stations.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type]
   61 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61